blob_jsoner Struct Reference

Public Member Functions
	blob_jsoner (double ds)
Json::Value	operator() (const cluster_node_t &n)

Public Attributes
double	drift_speed

Detailed Description

Definition at line 96 of file JsonClusterTap.cxx.

Constructor & Destructor Documentation

blob_jsoner::blob_jsoner ( double  ds )

inline

Definition at line 100 of file JsonClusterTap.cxx.

: drift_speed(ds) {}

Member Function Documentation

Json::Value blob_jsoner::operator() ( const cluster_node_t &  n )

inline

Definition at line 102 of file JsonClusterTap.cxx.

                                                  {
        IBlob::pointer iblob = std::get<typename IBlob::pointer>(n.ptr);
        IAnodeFace::pointer iface = iblob->face();
        IWirePlane::vector iplanes = iface->planes();
        IWire::pointer iwire = iplanes[2]->wires()[0];
        const double xplane = iwire->center().x();

        // fixme: this is not a particularly portable way to go for all wire geometries.
        const double xsign = iface->ident() == 0 ? 1.0 : -1.0;

        ISlice::pointer islice = iblob->slice();
        // set X based on time with knowledge of local drift
        // direction as given by the face.
        double x0 = xplane + xsign * islice->start()*drift_speed; 

        const auto& coords = iface->raygrid();

        Json::Value ret = Json::objectValue;
        ret["span"] = islice->span()*drift_speed;
        ret["ident"] = iblob->ident();
        ret["value"] = iblob->value();
        ret["error"] = iblob->uncertainty();
        ret["faceid"] = iblob->face()->ident();
        ret["sliceid"] = iblob->slice()->ident();
        Json::Value jcorners = Json::arrayValue;
        const auto& blob = iblob->shape();
        for (const auto& c : blob.corners()) {
            Json::Value j = jpoint(coords.ray_crossing(c.first, c.second));
            j[0] = x0;
            jcorners.append(j);
        }
        ret["corners"] = jcorners;

        //-- strip info is redunant with edges connected to wire vertices.
        // Json::Value jstrips = Json::arrayValue;
        // for (const auto& strip : blob.strips()) {
        //     int plane_ind = strip.layer - 2; // fixme
        //     if (plane_ind <0) { continue; }
        //     Json ::Value j = Json::objectValue;
        //     j["wpid"] = iplanes[plane_ind]->planeid().ident();
        //     j["planeind"] = plane_ind;
        //     j["wip1"] = strip.bounds.first;
        //     j["wip2"] = strip.bounds.second;
        //     Json::Value jwires = Json::arrayValue;
        //     const auto& wires = iplanes[plane_ind]->wires();
        //     for (auto wip = strip.bounds.first; wip < strip.bounds.second; ++wip) {
        //         jwires.append(wires[wip]->ident());
        //     }
        //     j["wids"] = jwires;
        //     jstrips.append(j);
        // }
        // ret["strips"] = jstrips;

        return ret;
    }

Member Data Documentation

double blob_jsoner::drift_speed

Definition at line 98 of file JsonClusterTap.cxx.

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The documentation for this struct was generated from the following file:

• wire-cell-build/img/src/JsonClusterTap.cxx